alkylene polyamide formaldehyde |
|||||||
| 申请号 | US3634515D | 申请日 | 1968-11-08 | 公开(公告)号 | US3634515A | 公开(公告)日 | 1972-01-11 |
| 申请人 | STANDARD OIL CO; | 发明人 | PIASEK EDMUND J; KARLL ROBERT E; | ||||
| 摘要 | THIS INVENTION CONCERNS THE CONDENSATION PRODUCT OF A HIGHER MOLECULAR WEIGHT ALKYL-SUBSTITUTED PHENOL, AN ALKYLENE POLYAMINE, FORMALDEHYDE, AND AN ALDEHYDE REACTANT HAVING MORE THAN ONE CARBON ATOM OR KETON REACTANT OR A MIXTURE OF BOTH REACTANTS. THESE PRODUCTS ARE USEFUL AS ASHLESS DISPERSANTS FOR LUBRICANTS. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
QQ群二维码
意见反馈
意见反馈